Update documentation of length units.
commit636da5df1aead935bf093cf82d5dac361cc7a795
authormilde <milde@929543f6-e4f2-0310-98a6-ba3bd3dd1d04>
Mon, 27 Nov 2017 11:07:28 +0000 (27 11:07 +0000)
committermilde <milde@929543f6-e4f2-0310-98a6-ba3bd3dd1d04>
Mon, 27 Nov 2017 11:07:28 +0000 (27 11:07 +0000)
tree24d910c898c9943b9db33b7f24f4c1b4a61a5576
parentb854d9c1ac5dec4dd058aac86f51f6a021edbb6f
Update documentation of length units.

The "px" length unit is defined as an absolute length
(with different conversion values) by CSS and (pdf)LaTeX.
Thanks to Laurin McLaurin for pointing this out.

git-svn-id: http://svn.code.sf.net/p/docutils/code/trunk@8205 929543f6-e4f2-0310-98a6-ba3bd3dd1d04
docutils/docs/ref/rst/restructuredtext.txt
docutils/docs/user/latex.txt